O-Ring - United States (US)

Federal Supply Class (FSC): 5331

NATO Supply Classification Class (NSC): 5331

Federal Supply Group (FSG): 53 Hardware and Abrasives

NATO Supply Classification Group (NSG): 53 Hardware and Abrasives

Items Managed by United States (US) - NCB is 00 to 09

Page 28 of 115

NATO Supply Class 5331 refers to O-Rings, which are a type of sealing device used in various industries and applications. O-Rings are circular elastomeric rings with a round cross-section, typically made from materials such as rubber or silicone. They are designed to create a tight seal between two mating surfaces, preventing leakage of fluids or gases.

In the NATO Supply Group 53, which encompasses Hardware And Abrasives, O-Rings fall under the specific class of 5331. This class is dedicated to the categorization and identification of O-Rings within the NATO supply system.

O-Rings are widely used in a variety of industries, including automotive, aerospace, plumbing, and manufacturing. They are known for their versatility, durability, and ability to withstand high pressures and temperatures. O-Rings are commonly used in hydraulic and pneumatic systems, engines, pumps, valves, and other mechanical applications.

The NATO Supply Class 5331 for O-Rings ensures standardized identification and classification of these essential sealing devices within the NATO supply chain. This classification system helps streamline procurement processes and ensures compatibility and interchangeability of O-Rings across different NATO member countries.

If you need further information or assistance regarding O-Rings or any other topic, feel free to ask!